Assertion `magic < 1<<26' failed in get_magic_sort

create user u1@'host5678901_345678902_345678903_345678904_345678905_345678906_345678907%';

Version: '10.6.0-MariaDB-debug-log' 

mariadbd: /10.6/sql/sql_acl_getsort.ic:197: ulonglong get_magic_sort(const char*, ...): Assertion `magic < 1<<26' failed.

210224 13:45:56 [ERROR] mysqld got signal 6 ;

??:0(__interceptor_tcgetattr)[0x7f920f54cd30]

mysys/stacktrace.c:212(my_print_stacktrace)[0x5621168f44fd]

sql/signal_handler.cc:211(handle_fatal_signal)[0x5621153a99a4]

sigaction.c:0(__restore_rt)[0x7f920f0103c0]

linux/raise.c:51(__GI_raise)[0x7f920eafc18b]

stdlib/abort.c:81(__GI_abort)[0x7f920eadb859]

intl/loadmsgcat.c:509(get_sysdep_segment_value)[0x7f920eadb729]

:0(__GI___assert_fail)[0x7f920eaecf36]

sql/sql_acl_getsort.ic:198(get_magic_sort(char const*, ...))[0x56211498b92c]

sql/sql_acl.cc:3338(ACL_USER::ACL_USER(THD*, LEX_USER const&, Account_options const&, privilege_t))[0x562114994f42]

sql/sql_acl.cc:4620(replace_user_table(THD*, User_table const&, LEX_USER*, privilege_t, bool, bool, bool))[0x56211499f1a6]

sql/sql_acl.cc:10825(mysql_create_user(THD*, List<LEX_USER>&, bool))[0x5621149cf1d1]

sql/sql_parse.cc:5211(mysql_execute_command(THD*))[0x562114bba587]

sql/sql_parse.cc:7906(mysql_parse(THD*, char*, unsigned int, Parser_state*))[0x562114bcc9b7]

sql/sql_parse.cc:1835(dispatch_command(enum_server_command, THD*, char*, unsigned int))[0x562114ba354d]

sql/sql_parse.cc:1365(do_command(THD*))[0x562114ba041f]

sql/sql_connect.cc:1410(do_handle_one_connection(CONNECT*, bool))[0x562114fe2443]

sql/sql_connect.cc:1314(handle_one_connection)[0x562114fe1da7]

perfschema/pfs.cc:2203(pfs_spawn_thread)[0x562115ce5417]

nptl/pthread_create.c:478(start_thread)[0x7f920f004609]

x86_64/clone.S:97(__GI___clone)[0x7f920ebd8293]

Query (0x62b000085440): create user u1@'host5678901_345678902_345678903_345678904_345678905_345678906_345678907%'